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test/tools/javac/api/TestJavacTask_ParseAttrGen.java@959103a6100f (annotated)

test/tools/javac/api/TestJavacTask_ParseAttrGen.java

Wed, 27 Apr 2016 01:34:52 +0800

author

aoqi

date

Wed, 27 Apr 2016 01:34:52 +0800

changeset 0

959103a6100f

child 2525

2eb010b6cb22

permissions

-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23
aoqi@0	24	/*
aoqi@0	25	* @test
aoqi@0	26	* @bug 7026509
aoqi@0	27	* @summary Cannot use JavaCompiler to create multiple CompilationTasks for partial compilations
aoqi@0	28	*/
aoqi@0	29
aoqi@0	30	import java.io.*;
aoqi@0	31	import java.util.*;
aoqi@0	32	import javax.lang.model.element.*;
aoqi@0	33	import javax.tools.*;
aoqi@0	34	import com.sun.source.tree.*;
aoqi@0	35	import com.sun.source.util.*;
aoqi@0	36
aoqi@0	37	public class TestJavacTask_ParseAttrGen {
aoqi@0	38	public static void main(String... args) throws Exception {
aoqi@0	39	new TestJavacTask_ParseAttrGen().run();
aoqi@0	40	}
aoqi@0	41
aoqi@0	42	JavaCompiler comp;
aoqi@0	43	StandardJavaFileManager fm;
aoqi@0	44
aoqi@0	45	void run() throws Exception {
aoqi@0	46	comp = ToolProvider.getSystemJavaCompiler();
aoqi@0	47	fm = comp.getStandardFileManager(null, null, null);
aoqi@0	48
aoqi@0	49	final boolean[] booleanValues = { false, true };
aoqi@0	50	for (boolean pk: booleanValues) {
aoqi@0	51	for (boolean ak: booleanValues) {
aoqi@0	52	for (boolean gk: booleanValues) {
aoqi@0	53	test(pk, ak, gk);
aoqi@0	54	}
aoqi@0	55	}
aoqi@0	56	}
aoqi@0	57	}
aoqi@0	58
aoqi@0	59	void test(boolean pk, boolean ak, boolean gk) throws Exception {
aoqi@0	60	if (!pk && !ak && !gk) // nothing to do
aoqi@0	61	return;
aoqi@0	62
aoqi@0	63	System.err.println("test: pk:" + pk + ", ak:" + ak + ", gk: " + gk);
aoqi@0	64	File testSrc = new File(System.getProperty("test.src"));
aoqi@0	65	String thisClassName = TestJavacTask_ParseAttrGen.class.getName();
aoqi@0	66	Iterable<? extends JavaFileObject> files =
aoqi@0	67	fm.getJavaFileObjects(new File(testSrc, thisClassName + ".java"));
aoqi@0	68	File tmpDir = new File((pk ? "p" : "") + (ak ? "a" : "") + (gk ? "g" : ""));
aoqi@0	69	tmpDir.mkdirs();
aoqi@0	70	fm.setLocation(StandardLocation.CLASS_OUTPUT, Arrays.asList(tmpDir));
aoqi@0	71	JavacTask t = (JavacTask) comp.getTask(null, fm, null, null, null, files);
aoqi@0	72	//t.setTaskListener(createTaskListener());
aoqi@0	73
aoqi@0	74	try {
aoqi@0	75	if (pk) {
aoqi@0	76	Iterable<? extends CompilationUnitTree> trees = t.parse();
aoqi@0	77	System.err.println(count(trees) + " trees parsed");
aoqi@0	78	}
aoqi@0	79
aoqi@0	80	if (ak) {
aoqi@0	81	Iterable<? extends Element> elems = t.analyze();
aoqi@0	82	System.err.println(count(elems) + " elements analyzed");
aoqi@0	83	}
aoqi@0	84
aoqi@0	85	if (gk) {
aoqi@0	86	Iterable<? extends JavaFileObject> classfiles = t.generate();
aoqi@0	87	System.err.println(count(classfiles) + " class files generated");
aoqi@0	88	}
aoqi@0	89	} catch (IOException e) {
aoqi@0	90	error("unexpected exception caught: " + e);
aoqi@0	91	}
aoqi@0	92
aoqi@0	93	File[] genFiles = tmpDir.listFiles();
aoqi@0	94	int expect = (gk ? 2 : 0); // main class and anon class for TaskListener
aoqi@0	95	if (genFiles.length != expect)
aoqi@0	96	error("unexpected number of files generated: " + genFiles.length
aoqi@0	97	+ ", expected: " + expect);
aoqi@0	98
aoqi@0	99	System.err.println();
aoqi@0	100	}
aoqi@0	101
aoqi@0	102	TaskListener createTaskListener() {
aoqi@0	103	return new TaskListener() {
aoqi@0	104	public void started(TaskEvent e) {
aoqi@0	105	System.err.println(e + " started");
aoqi@0	106	}
aoqi@0	107
aoqi@0	108	public void finished(TaskEvent e) {
aoqi@0	109	System.err.println(e + " finished");
aoqi@0	110	}
aoqi@0	111	};
aoqi@0	112	}
aoqi@0	113
aoqi@0	114	<T> int count(Iterable<T> items) {
aoqi@0	115	int count = 0;
aoqi@0	116	for (T item: items)
aoqi@0	117	count++;
aoqi@0	118	return count;
aoqi@0	119	}
aoqi@0	120
aoqi@0	121	void error(String msg) {
aoqi@0	122	System.err.println("Error: " + msg);
aoqi@0	123	errors++;
aoqi@0	124	}
aoqi@0	125
aoqi@0	126	int errors;
aoqi@0	127	}